COMBAT CUHA - Page 84

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CONTACTS

SERVICE

Tel: 01902 498733

Fax: 01902 401464

SPARES

Tel: 01902 499051

Fax: 01902 492411

MAIN SWITCHBOARD

Tel: 01902 494425

Fax: 01902 403200

Combat Engineering Ltd.

Oxford Street, Bilston, West Midlands WV14 7EG

Tel: 01902 494425 Fax: 01902 403200

e-mail: enquiry@combat.co.uk

www.combat.co.uk

A Roberts-Gordon Company

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Table of Contents4
General Specification- Cuh Range5
Basic Information5
Heater Operation6
Automatic Ignition Burner6
Manual Ignition6
Common Operation - All Heater Types6
Dimensions Etc. CUHA... 60 to 3007
Dimensions Etc. CUHA... 340 to 3808
Dimensions Etc. CUHB... 60 to 3009
Dimensions Etc. CUHB... 340 to 38010
Dimensions Etc. CUHC... 60 to 30011
Dimensions Etc. CUHC... Models 340 to 380 Range12
Dimensions Etc. CUHD 60 to 30013
Dimensions Etc. CUHD 340 to 38014
General Technical Data - All Models15
Technical Data CUHA, CUHB, CUHC and CUHD Manual Ignition Range16
Gas Controls - Manual Ignition18
Gas Controls - Automatic Ignition18
Start Gas Burner18
Main Gas Burner18
Fan Thermostat19
Limit Thermostat19
Second Limit Thermostat19
To Reset this Thermostat19
Thermocouple Interrupter Relay20
Automatic Ignition - Burner Control Box20
DESCRIPTION of SATRONIC TFI 812 2B Mod 10 CONTROL BOX20
Satronic TFI 812 Control Box Sequence20
Sequence of Events21
Electric Ignition on21
Start Gas Valve Energises21
Fault Conditions21
External Controls21
Required Standards22
Heater Installation22
- General23
- Typical Installation23
- Gas Supply24
- Flue24
- Natural Gas24
- L.p.g.24
- Flue Assembly of Models 340 and 380 Only26
- Air Supply26
- Building Ventilation27
- Distribution Ductwork CUHC and CUHD Heaters27
- CUHD Heaters28
- Electrical Supply28
- Siting of Combat Control Consoles or Room Thermostats29
- Remote Controls29
- Burner Controls29
- Fan Controls29
- Remote Frost Thermosatat30
- Remote Room Thermostat30
- Commissioning the Heater31
- Pre Commission Checks31
- Electrical Checks31
- Earth Continuity Test31
- Mechanical Checks32
- Automatic Ignition Unit Heaters32
- Carry out a “Dry Run”32
- S.I.T. Tandem 0.830.033 Gas Valve (Natural Gas)33
- S.I.T. Nova 0.822.177 Automatic Ignition Gas Valve34
- S.I.T. Nova 0.820.054 Manual Ignition Gas Valve34
- Main Gas Valves for Models 340 and 38035
- Commissioning the Gas Valves - Natural Gas36
- Commissioning the Gas Valves - L.P.G.36
- Manual Ignition Unit Heaters37
- To Operate the Main Burner37
- To Set the Main Burner - Natural Gas37
- Pilot Drop-Out Test - Manual Ignition Models38
- Turning off the Heater - All Heater Types38
- Combustion Testing - All Heater Types38
- Commissioning Tests - All Heater Types38
- External Controls39
- Handing over39
- Wiring Diagrams40
- Automatic Ignition49
- Wiring of CUHD/A Range - Automatic Ignition - All Models49
- Alternative Wiring of External Motor for CUHD Range - All Models49
- Individual Controls for All CUH Range Heaters50
- Burner Maintenance51
Servicing Instructions51
- Fan/Motor Assembly All Models52
- For CUHB & CUHC Centrifugal Fan Models52
- Heat Exchanger52
- Gas Control Valves53
- Pilot Drop out Test - Manual Ignition Models53
- Burner Tray54
Removal and Replacement of Parts54
- Main Burner Bars/Injectors55
- Ignition Burner Assembly56
- Burner Tray Assembly56
- Optional Versions of Pilot Burner56
- Removal of Pilot Burner57
- Disassemble Gas Train for Automatic Ignition58
- Removal of Gas Valves - Manual Ignition58
- To Remove Gas Valves58
- Removal of Gas Valves - Automatic Ignition58
- Thermocouple59
- CUHA Axial Fan/Guard/Motor Assembly59
- To Remove the Fan Assembly59
- To Replace the Fan Assembly59
- CUHB & CUHC Centrifugal Fan/Guard/Motor Assembly60
- To Remove the Fan(S)60
- To Refit the Fan(S)60
- Combination Fan/Limit Thermostat60
- General for Automatic Ignition63
- Fault Finding63
- General - Manual Ignition64
- Fault Finding for Automatic Ignition Burner Systems65
- Flame Supervision System66
- Automatic Ignition Systems66
- Flame Supervision Systems - Manual Ignition67
- Fault Finding for Solenoid Valves67
- Fault Finding for Main Fan68
User Instructions69
- User Controls Common to All Versions70
- Combination Fan/Limit Thermosatat70
- Secondary Limit Thermostat70
- Burner Lockout Reset Button70
- Lighting Instructions for Automatic Ignition Heaters71
- To Turn the Heater off (Short Periods)71
- To Turn the Heater off (Long Periods)71
- Features of the S.I.T. Nova Valve for Manual Ignition Versions72
- Multifunctional Gas Valve72
- User Controls for Manual Ignition Versions72
- Lighting Instructions for Manual Ignition Heaters73
- To Light Pilot73
- Simple Fault Finding - General74
- Simple Fault Finding - Automatic Ignition Heaters75
- Simple Fault Finding - Manual Ignition Heaters75
- Service Requirements75
- Emergency Instructions75
- Conversion between Gasses76
- Burner Conversion76
- Gas Valves - Automatic Ignition77
- Tandem Range Valves77
- Nova Range Valves77
- Conversion of Nova Family Valve77
- Conversion of Johnson Valve to L.P.G.78
- Conversion of Manual Ignition Valves79
Parts List80
Commissioning Data Sheet81

COMBAT CUHA - Page 84

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